JPS6449610U - - Google Patents
Info
- Publication number
- JPS6449610U JPS6449610U JP14516487U JP14516487U JPS6449610U JP S6449610 U JPS6449610 U JP S6449610U JP 14516487 U JP14516487 U JP 14516487U JP 14516487 U JP14516487 U JP 14516487U JP S6449610 U JPS6449610 U JP S6449610U
- Authority
- JP
- Japan
- Prior art keywords
- inner shaft
- outer shaft
- fixed
- cam
- shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000002485 combustion reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Valve Device For Special Equipments (AREA)
- Valve-Gear Or Valve Arrangements (AREA)
Description
第１図は本考案の実施例を示す断面図、第２図
は第１図の―線断面図、第３図Ａ，Ｂはそれ
ぞれ吸排気弁のバルブタイミングを示す説明図、
第４図はバルブリフトとクランク角度の関係を示
す説明図、第５図は他の実施例の断面図である。
２……カムシヤフト、３……アウタシヤフト、
４……インナシヤフト、５……排気カム、６……
吸気カム、７……ピン、１０，１１……ヘリカル
ギヤ、１２……円筒部材、１３……駆動ギヤ、１
４……レバー。
FIG. 1 is a sectional view showing an embodiment of the present invention, FIG. 2 is a sectional view taken along the line - - in FIG.
FIG. 4 is an explanatory diagram showing the relationship between valve lift and crank angle, and FIG. 5 is a sectional view of another embodiment. 2...Camshaft, 3...Outershaft,
4...Inner shaft, 5...Exhaust cam, 6...
Intake cam, 7... Pin, 10, 11... Helical gear, 12... Cylindrical member, 13... Drive gear, 1
4...Lever.
Claims (1)
内部で相対回転するインナシヤフトとから構成し
、吸気弁と排気弁を駆動する吸気カムと排気カム
のいずれか一方を前記アウタシヤフトに、他方を
インナシヤフトに固定すると共に、インナシヤフ
トに固定したカムをアウタシヤフトに対して回動
自在に嵌合し、前記アウタシヤフトとインナシヤ
フトに回転位相差を付与する差動機構を設け、機
関回転に同期して前記カムシヤフトを回転させる
伝導手段を設けたことを特徴とする内燃機関の吸
排気装置。 The camshaft is composed of a hollow outer shaft and an inner shaft that rotates relative to each other therein, and one of the intake cam and the exhaust cam that drives the intake valve and the exhaust valve is fixed to the outer shaft, and the other is fixed to the inner shaft. , a differential mechanism is provided in which a cam fixed to an inner shaft is rotatably fitted to an outer shaft, and a differential mechanism is provided to provide a rotational phase difference between the outer shaft and the inner shaft, and a transmission is provided to rotate the camshaft in synchronization with engine rotation. An intake and exhaust system for an internal combustion engine, characterized in that it is provided with means.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987145164U JPH0619766Y2 (en) | 1987-09-22 | 1987-09-22 | Intake and exhaust system for internal combustion engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987145164U JPH0619766Y2 (en) | 1987-09-22 | 1987-09-22 | Intake and exhaust system for internal combustion engine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6449610U true JPS6449610U (en) | 1989-03-28 |
| JPH0619766Y2 JPH0619766Y2 (en) | 1994-05-25 |
Family
ID=31413516
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987145164U Expired - Lifetime JPH0619766Y2 (en) | 1987-09-22 | 1987-09-22 | Intake and exhaust system for internal combustion engine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0619766Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995008701A1 (en) * | 1993-09-20 | 1995-03-30 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Valve driving system for internal combustion engine |
| WO2012090300A1 (en) * | 2010-12-28 | 2012-07-05 | トヨタ自動車株式会社 | Dual camshaft structure and method for assembling dual camshaft structure |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101518951B1 (en) * | 2013-12-17 | 2015-05-11 | 현대자동차 주식회사 | Variable valve timing camshaft |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58120809U (en) * | 1982-02-10 | 1983-08-17 | 株式会社小松製作所 | Engine variable valve timing device |
-
1987
- 1987-09-22 JP JP1987145164U patent/JPH0619766Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58120809U (en) * | 1982-02-10 | 1983-08-17 | 株式会社小松製作所 | Engine variable valve timing device |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1995008701A1 (en) * | 1993-09-20 | 1995-03-30 | Mitsubishi Jidosha Kogyo Kabushiki Kaisha | Valve driving system for internal combustion engine |
| WO2012090300A1 (en) * | 2010-12-28 | 2012-07-05 | トヨタ自動車株式会社 | Dual camshaft structure and method for assembling dual camshaft structure |
| JP5234191B2 (en) * | 2010-12-28 | 2013-07-10 | トヨタ自動車株式会社 | Double camshaft structure and assembly method of double camshaft structure |
| US8833202B2 (en) | 2010-12-28 | 2014-09-16 | Toyota Jidosha Kabushiki Kaisha | Dual camshaft structure and method for assembling dual camshaft structure |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0619766Y2 (en) | 1994-05-25 |